Thrillers — Kindle Category Opportunity
Competition snapshot for the Mystery, Thriller & Suspense best-seller list, ease-of-entry score 0.0/100.
Category metrics
Score
0.0
Median reviews
40,428
Weak share (top 20)
0%
Median price
$4.99
Median star rating
4.4
Books scanned
50
Worth writing in?
Thrillers is heavily defended: incumbents are deep-reviewed and the top 20 rarely cracks. New releases can still chart with ads or a launch push, but expect to climb over established authors rather than around them. Ease-of-entry score 0.0/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on AmazonNo breakout books in this category.
High-frequency phrases in this category's titles
Mine all categoriesHigh-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.
| Phrase | Titles | Rank-weighted score |
|---|---|---|
| psychological thriller | 10 | 232 |
| french illusion | 2 | 80 |
| unputdownable psychological thriller | 2 | 53 |
| split second | 2 | 50 |
| absolutely gripping | 2 | 39 |
| gripping psychological thriller | 2 | 36 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
More Mystery, Thriller & Suspense categories
15 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 41.0 | 1820 |
| █████ | 38.5 | 3968 |
| █████ | 36.0 | 11269 |
| █████ | 36.0 | 6417 |
| █████ | 35.0 | 10026.5 |
| █████ | 35.0 | 12393 |
| █████ | 32.5 | 5918.5 |
| █████ | 32.5 | 2180 |
| █████ | 6.0 | 10517.5 |
| █████ | 2.5 | 3471.5 |
| █████ | 0.0 | 12458 |
| █████ | 0.0 | 77025.5 |
| █████ | 0.0 | 84829.5 |
| █████ | 0.0 | 3075 |
| █████ | 0.0 | 4267.5 |
Subcategory names are visible after sign-in — a free account unlocks every subcategory score.
Sign up free to unlockCheck the keywords before you write
Category scores show where entry is easiest; keyword lookups show whether readers actually reach for it. A free account includes keyword competition lookups plus unlimited category scans.
After you publish: why aren't readers buying?
Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.
Keep researching with the free tools
Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.